189 13th Street offers an exceptional opportunity for development or personal refinement - sitting on a 20.75 x 100-foot lot, this property is ready to be reimagined. Currently 1,805 square feet, it boasts a maximum allowable floor area ratio (FAR) of 4,150 sq ft, making it a prime candidate for expansion. Whether you are an end-user with a vision to create a spacious dream home, or a developer looking to maximize its potential, this property offers flexibility and room for expansion. This charming townhouse is currently configured as a two-unit property, encompassing an inviting owner's duplex and a spacious rental apartment. The owner's duplex features two generously sized bedrooms and two well-appointed bathrooms, seamlessly blending modern convenience with the character of Brooklyn townhouse living. Its layout is perfect for intimate gatherings or peaceful retreats, while the additional bedroom space can serve as a home office or guest room, adapting to the needs of a modern lifestyle. Southwestern sunlight pours through the windows, illuminating the interiors and hardwood floors lend a touch of elegance. The rental unit, a comfortable two-bedroom apartment, offers immediate income potential. With its prime Gowanus/Park Slope location, close to shopping, dining, and public transportation, 189 13th Street is a rare opportunity to create something truly special in one of Brooklyn's most coveted neighborhoods.